"Earlier today some customers experienced a disruption to Apple iMessage and FaceTime services. We worked with Apple to resolve this issue. Services are now being progressively being restored. We apologise for any inconvenience this caused," he said.

Aussieoutages.com has recorded a spike in Australian residents reporting problems with the Apple app.

The telco says people should still be able to use standard SMS texts.

Hi Natasha, we are currently investigating an issue with sending some iMessages. We unfortunately don't have an ETA at this stage however our team are working on the matter as we speak. I apologise for the inconvenience and thank you for your patience. - Tony